Alert archive / Florida / Flash Flood Warnings in 2013
Flash Flood Warning 4, NWS Miami, FL
NWS Miami, FL issued this flash flood warning at May 20, 2013, 11:29 AM EDT for Palm Beach County, Florida. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 20, 2013, 11:29 AM EDT (15:29 UTC)
- Expired
- May 20, 2013, 5:30 PM EDT
- In force
- 6 hr
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 107 km from the middle of the area, began a volume at 15:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 3.5 hours before the alert went out and 82 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1716 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
315 WGUS52 KMFL 201529 FFWMFL FLC099-202130- /O.NEW.KMFL.FF.W.0004.130520T1529Z-130520T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIAMI FL 1129 AM EDT MON MAY 20 2013 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL PALM BEACH COUNTY IN SOUTHEAST FLORIDA... * UNTIL 530 PM EDT MONDAY * AT 1127 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED 5 TO 9 INCHES OF RAIN HAD FALLEN IN THE ABERDEEN AREA. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER AREAS OF EAST CENTRAL PALM BEACH COUNTY...INCLUDING THE TOWNS OF ABERDEEN AND ABERDEEN GOLF COURSE. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE WARNED AREA. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. && LAT...LON 2658 8018 2658 8009 2649 8010 2649 8018 $$ AK
5 follow-up statements
808 WGUS72 KMFL 201604 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1204 PM EDT MON MAY 20 2013 FLC099-202130- /O.CON.KMFL.FF.W.0004.000000T0000Z-130520T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PALM BEACH FL- 1204 PM EDT MON MAY 20 2013 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR EAST CENTRAL PALM BEACH COUNTY... AT NOON EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA. RADAR ESTIMATES 7 TO 11 INCHES OF RAIN HAVE FALLEN OVER THIS REGION. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ABERDEEN GOLF COURSE AND ABERDEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 2658 8018 2658 8009 2649 8010 2649 8018 $$ AK
855 WGUS72 KMFL 201717 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 117 PM EDT MON MAY 20 2013 FLC099-202130- /O.CON.KMFL.FF.W.0004.000000T0000Z-130520T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PALM BEACH FL- 117 PM EDT MON MAY 20 2013 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR EAST CENTRAL PALM BEACH COUNTY... AT 112 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 7 TO 12.5 INCHES OF RAIN HAD FALLEN FROM THE WESTERN SIDE OF BOYNTON BEACH TO ABERDEEN. STREET FLOODING HAS BEEN REPORTED IN THIS AREA. STUDENTS WERE NOT ALLOWED TO LEAVE SCHOOL AT PARK VISTA HIGH SCHOOL NEAR ABERDEEN DUE TO FLOODING. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOYNTON BEACH...ABERDEEN GOLF COURSE AND ABERDEEN PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. && LAT...LON 2658 8018 2658 8009 2649 8010 2649 8018 $$ AK
181 WGUS72 KMFL 201858 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 258 PM EDT MON MAY 20 2013 FLC099-202130- /O.CON.KMFL.FF.W.0004.000000T0000Z-130520T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PALM BEACH FL- 258 PM EDT MON MAY 20 2013 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR EAST CENTRAL PALM BEACH COUNTY... AT 256 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN MOVING BACK INTO THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOYNTON BEACH...ABERDEEN GOLF COURSE AND ABERDEEN PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE WARNED AREA. && LAT...LON 2658 8018 2658 8009 2649 8010 2649 8018 $$ AK
566 WGUS72 KMFL 202039 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 439 PM EDT MON MAY 20 2013 FLC099-202130- /O.CON.KMFL.FF.W.0004.000000T0000Z-130520T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PALM BEACH FL- 439 PM EDT MON MAY 20 2013 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR EAST CENTRAL PALM BEACH COUNTY... AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 9 TO 13 INCHES OF TOTAL RAINFALL HAS FALLEN FROM THE SLOW MOVING THUNDERSTORMS EARLIER THIS AFTERNOON AROUND THE ABERDEEN AREA. LIGHT TO MODERATE RAIN SHOWERS WHERE STILL OCCURRING OVER THE FLASH FLOOD WARNING AREA WHICH CAN STILL PRODUCE ANOTHER TENTH TO QUARTER OF AN INCH OF RAINFALL. THIS ADDITIONAL RAINFALL WILL CONTINUE TO AGGRAVATE THE ONGOING FLOODING CONDITIONS OVER THE ABERDEEN AREA. THEREFORE...THE FLASH FLOOD WARNING FOR EAST CENTRAL PALM BEACH COUNTY WILL REMAIN IN EFFECT UNTIL 530 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. && LAT...LON 2658 8018 2658 8009 2649 8010 2649 8018 $$ BAXTER
883 WGUS72 KMFL 202125 FFSMFL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 525 PM EDT MON MAY 20 2013 FLC099-202133- /O.EXP.KMFL.FF.W.0004.000000T0000Z-130520T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PALM BEACH FL- 525 PM EDT MON MAY 20 2013 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 530 PM EDT FOR EAST CENTRAL PALM BEACH COUNTY... SHERIFF OFFICE IN EAST CENTRAL PALM BEACH COUNTY REPORTED THE THE FLOODING THAT BEEN OCCURRING NEAR ABERDEEN FROM THE EARLIER THUNDERSTORMS HAVE DISSIPATED. THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 530 PM EDT FOR EAST CENTRAL PALM BEACH COUNTY. LAT...LON 2658 8018 2658 8009 2649 8010 2649 8018 $$ BAXTER
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 9:33 AM EDT | Areal Flood Advisory | MFL | Palm Beach | 3 hr |
| May 20, 10:06 AM EDT | Areal Flood Advisory | MFL | Palm Beach | 114 min |
| May 20, 11:38 AM EDT | Special Weather Statement | MFL | Broward | 52 min |
| May 20, 11:53 AM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 112 min |
| May 20, 11:55 AM EDT | Flash Flood Warning | MFL | Palm Beach | 4 hr |
| May 20, 12:49 PM EDT | Special Weather Statement | MFL | Palm Beach | 26 min |
| May 20, 1:12 PM EDT | Special Weather Statement | MFL | Broward | 48 min |
| May 20, 1:23 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 22 min |
| May 20, 1:25 PM EDT | Special Weather Statement | MFL | Palm Beach | 50 min |
| May 20, 1:39 PM EDT | Special Weather Statement | MFL | Miami-Dade | 51 min |
| May 20, 1:47 PM EDT | Special Weather Statement | MFL | Miami-Dade | 28 min |
| May 20, 1:51 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 39 min |
| May 20, 2:22 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 113 min |
| May 20, 2:37 PM EDT | Special Weather Statement | MFL | Collier | 23 min |
| May 20, 3:16 PM EDT | Special Weather Statement | MFL | Collier | 44 min |
Nearby
Flash Flood Warnings in Florida, 2013Every flash flood warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.